The Researching of Flow Characteristic of Rectangular Microchannel Flow with Different Geometry Parameters

In order to research flow characteristics for geometric parameters of microchannel, this paper made a flow test for different microchannel. The result told us that the hydraulic diameter was not only factor to affect fluid flow in microchannel, but also including depth, width can also affect fluid flow in microchannel. With the same as depth to width ratio, the decreasing of hydraulic diameter or length to diameter ratio can make mass flow value and P0 value increasing. On the other hand, with the same length to diameter and different width to diameter ratio of microchannel, decreasing of width to diameter ratio made increasing of mass flow value and P0 value. The results of this study showed that hydraulic, geometry size were all influencing fluid flow in microchannel.